19834480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{13049}}^1$

素因数の和:13081

約数の個数: 40

約数和(自身を含む): 48546000

約数和(自身を除く): 28711520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 13049, 26098, 52196, 65245, 104392, 130490, 208784, 247931, 260980, 495862, 521960, 991724, 1043920, 1239655, 1983448, 2479310, 3966896, 4958620, 9917240, 19834480]

約数ペア:

[(1, 19834480), (2, 9917240), (4, 4958620), (5, 3966896), (8, 2479310), (10, 1983448), (16, 1239655), (19, 1043920), (20, 991724), (38, 521960), (40, 495862), (76, 260980), (80, 247931), (95, 208784), (152, 130490), (190, 104392), (304, 65245), (380, 52196), (760, 26098), (1520, 13049)]